The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1998
Filed:
Jul. 16, 1997
Applicant:
Inventor:
Wen-Xue Wu, Lawrenceville, NJ (US);
Assignee:
American Cyanamid Company, Madison, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546286 ; 546310 ; 546321 ;
Abstract
There is provided an improved method for the conversion of 5,6-dicarboxyl-3-pyridylmethyl ammonium halide to 5-(alkoxymethyl)pyridine-2,3-dicarboxylate salt via a single step closed reaction with the appropriate alcohol and a base at a temperature of about 120.degree.-180.degree. C. The product pyridinedicarboxylate salt is an important intermediate in the manufacture of pyridine imidazolinone herbicidal agents.
Wu, Wen-Xue. (1998). Process for the manufacture of (U.S. Patent No. 5760239). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5760239
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile